108109256 has 16 divisors (see below), whose sum is σ = 214628940. Its totient is φ = 50874880.

The previous prime is 108109249. The next prime is 108109271. The reversal of 108109256 is 652901801.

It can be written as a sum of positive squares in 2 ways, for example, as 104244100 + 3865156 = 10210^2 + 1966^2 .

It is a super-2 number, since 2×108109256² = 23375222465747072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397325 + ... + 397596.

Almost surely, 2^108109256 is an apocalyptic number.

It is an amenable number.

108109256 is a deficient number, since it is larger than the sum of its proper divisors (106519684).

108109256 is a wasteful number, since it uses less digits than its factorization.

108109256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794944 (or 794940 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 108109256 is about 10397.5600984077. The cubic root of 108109256 is about 476.3808476635.

The spelling of 108109256 in words is "one hundred eight million, one hundred nine thousand, two hundred fifty-six".